_________ the speeches, they asked that the meeting be adjourned

_________ the speeches, they asked that the meeting be adjourned.
A、Boring by
B、Boring with
C、Being bored with
D、Bored by
【正确答案】：D
【题目解析】：这道题应用过去分词表被动，而非现在分词，排除A和B，而C是正在被，与后面asked不符，故选D。